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AgeCommit message (Collapse)Author
2011-07-14Single DB transaction for all addresses in a messagePatrick Varilly
Cuts disk activity at startup immensely
2011-07-13fix warnings: expression result unused [-Wunused-value]Giel van Schijndel
In the assert()s take advantage of the fact that string constants ("string") are effectively of type 'const char []', which when used in an expression yield a non-NULL pointer. An assertion that should always fail can thus be formulated as: assert(!"fail); An assertion where a text message should be added to the expression can be written as such: assert("message" && expression); Signed-off-by: Giel van Schijndel <me@mortis.eu>
2011-07-13Make an invalid addrIncoming so that old clients crash.Matt Corallo
This prevents old clients from opening, and thus corrupting or otherwise causing harm to encrypted wallets.
2011-07-13Add wallet privkey encryption.Matt Corallo
This commit adds support for ckeys, or enCrypted private keys, to the wallet. All keys are stored in memory in their encrypted form and thus the passphrase is required from the user to spend coins, or to create new addresses. Keys are encrypted with AES-256-CBC using OpenSSL's EVP library. The key is calculated via EVP_BytesToKey using SHA512 with (by default) 25000 rounds and a random salt. By default, the user's wallet remains unencrypted until they call the RPC command encryptwallet <passphrase> or, from the GUI menu, Options-> Encrypt Wallet. When the user is attempting to call RPC functions which require the password to unlock the wallet, an error will be returned unless they call walletpassphrase <passphrase> <time to keep key in memory> first. A keypoolrefill command has been added which tops up the users keypool (requiring the passphrase via walletpassphrase first). keypoolsize has been added to the output of getinfo to show the user the number of keys left before they need to specify their passphrase (and call keypoolrefill). Note that walletpassphrase will automatically fill keypool in a separate thread which it spawns when the passphrase is set. This could cause some delays in other threads waiting for locks on the wallet passphrase, including one which could cause the passphrase to be stored longer than expected, however it will not allow the passphrase to be used longer than expected as ThreadCleanWalletPassphrase will attempt to get a lock on the key as soon as the specified lock time has arrived. When the keypool runs out (and wallet is locked) GetOrReuseKeyFromPool returns vchDefaultKey, meaning miners may start to generate many blocks to vchDefaultKey instead of a new key each time. A walletpassphrasechange <oldpassphrase> <newpassphrase> has been added to allow the user to change their password via RPC. Whenever keying material (unencrypted private keys, the user's passphrase, the wallet's AES key) is stored unencrypted in memory, any reasonable attempt is made to mlock/VirtualLock that memory before storing the keying material. This is not true in several (commented) cases where mlock/VirtualLocking the memory is not possible. Although encryption of private keys in memory can be very useful on desktop systems (as some small amount of protection against stupid viruses), on an RPC server, the password is entered fairly insecurely. Thus, the only main advantage encryption has for RPC servers is for RPC servers that do not spend coins, except in rare cases, eg. a webserver of a merchant which only receives payment except for cases of manual intervention. Thanks to jgarzik for the original patch and sipa, gmaxwell and many others for all their input. Conflicts: src/wallet.cpp
2011-07-03Block-chain lock-in at 134444Gavin Andresen
2011-07-01Limit response to getblocks to half of output buffer sizePieter Wuille
Introduce SendBufferSize() and ReceiveBufferSize(), and limit the blocks sent as response to the "getblocks" message to half of the active send buffer size.
2011-06-24Merge branch 'totalblocksestimate1' of https://github.com/laanwj/bitcoinGavin Andresen
2011-06-19Fix missing includes needed for Boost 1.46.Shane Wegner
2011-06-19add GetTotalBlocksEstimate() function, move magic number to constantWladimir J. van der Laan
2011-06-15CWallet classPieter Wuille
* A new class CKeyStore manages private keys, and script.cpp depends on access to CKeyStore. * A new class CWallet extends CKeyStore, and contains all former wallet-specific globals; CWallet depends on script.cpp, not the other way around. * Wallet-specific functions in CTransaction/CTxIn/CTxOut (GetDebit, GetCredit, GetChange, IsMine, IsFromMe), are moved to CWallet, taking their former 'this' argument as an explicit parameter * CWalletTx objects know which CWallet they belong to, for convenience, so they have their own direct (and caching) GetDebit/... functions. * Some code was moved from CWalletDB to CWallet, such as handling of reserve keys. * Main.cpp keeps a set of all 'registered' wallets, which should be informed about updates to the block chain, and does not have any notion about any 'main' wallet. Function in main.cpp that require a wallet (such as GenerateCoins), take an explicit CWallet* argument. * The actual CWallet instance used by the application is defined in init.cpp as "CWallet* pwalletMain". rpc.cpp and ui.cpp use this variable. * Functions in main.cpp and db.cpp that are not used by other modules are marked static. * The code for handling the 'submitorder' message is removed, as it not really compatible with the idea that a node is independent from the wallet(s) connected to it, and obsolete anyway.
2011-06-15move wallet code to separate filePieter Wuille
This introduces two new source files, keystore.cpp and wallet.cpp with corresponding headers. Code is moved from main and db, in a preparation for a follow-up commit which introduces the classes CWallet and CKeyStore.
2011-06-14Merge pull request #226 from jordanlewis/betterheadersJeff Garzik
Optimize header dependencies; improve Makefile dependency graph
2011-06-05Merge pull request #264 from sipa/mintxfeefixJeff Garzik
Fix for small change outputs
2011-06-05Merge pull request #255 from sipa/rescanupdateJeff Garzik
Update transactions already in the wallet when rescanning.
2011-05-28bugfix: accept free transactionsPieter Wuille
2011-05-26Separate required fee for relaying and creationPieter Wuille
Transactions created with the new minimal fee policy would not be relayed by the network. Therefore, we separate the minimal fee that is necessary to relay and to create, leaving the creation one at the old amount, for now.
2011-05-25Fix for small change outputsPieter Wuille
With the separation of CENT and MIN_TX_FEE, it is now reasonable to create change outputs between 0.01 and 0.0005, as these are spendable according to the policy, even though they require a fee to be paid. Also, when enough fee was already present, everything can go into a change output, without further increasing the fee.
2011-05-22Update transactions already in the wallet when rescanning.Pieter Wuille
When rescanning, if the scanned transaction is already in the wallet, it is skipped. However, if someone sends a transaction, does not wait for confirmation, switches wallets, waits for a block that contains his original transaction, and switches wallets again, a rescan will leave his wallet transaction (which has no merkle branch, so no confirmations) untouched.
2011-05-17Only include certain boost headers if necessary.Jordan Lewis
2011-05-15Only include init.h when we have toJordan Lewis
2011-05-15Only include net.h when we have toJordan Lewis
2011-05-15Only include db.h when we have to.Jordan Lewis
2011-05-15make bitcoin include files more modularWladimir J. van der Laan
2011-05-12Add #ifdef USE_UPNP around usage of fUseUPnP to fix build failure.Daniel Holbert
2011-05-11Replace CENT with new constant MIN_TX_FEE, where appropriate.Jeff Garzik
MIN_TX_FEE==CENT remains true (until next commit).
2011-05-09Manual merge of jaromil's source tree reorg commit.Jeff Garzik
Conflicts: src/sha256.cpp
2011-04-23directory re-organization (keeps the old build system)Jaromil
there is no internal modification of any file in this commit files are moved into directories according to established standards in sourcecode distribution; these directories contain: src - Files that are used in constructing the executable binaries, but are not installed. doc - Files in HTML and text format that document usage, quirks of the implementation, and contributor checklists. locale - Files that contain human language translation of strings used in the program contrib - Files contributed from distributions or other third party implementing scripts and auxiliary programs